mstahl1171
Petty Officer 1st Class
- Joined
- Mar 16, 2010
- Messages
- 209
My 150 started spewing black oil out of the top exhaust ports yesterday after a good 4 hour run. The residue is a thick blackish / brown oil that has the consistancy of of Maple Sryup. What could cause this? Im thinking maybe carbs or VRO? Any thoughts?